One of the older tubes would occasionally flicker into darkness, then burn dull orange at each end before snapping back to life, if only for a moment.
His gaze only occasionally flickered towards the ornate hour-glass and its trickling sand.
Krog's face showed no expression during all the torture, although his eyes occasionally flickered in Blade's direction.
Slide projections of American flags and American eagles occasionally flickered across the backdrop.
He waited in silence, his eyes occasionally flickering toward the door.
His mouth had formed a thick shield of dried blood, behind which the pain merely flickered occasionally.
They flickered occasionally, because the colonists needed to conserve power consumption to elude enemy sensors.
Trystin lay propped against the pale green pillows, his eyes flickering occasionally to the tubes and wires running to the fluid-filled harness around his right leg.
As they walk, his appearance occasionally flickers to that of a Sleestak from the viewpoint of the audience.
It was like a feeble flame that flickered occasionally.